public void OnNextTest()
{
IObserver<Ship> obs = new BattleShipWoundedObserver(new Ship(1, 1, 1, 1, Player.player1));
obs.OnNext(new Ship(1, 1, 1, 1, Player.player2));
}
public void OnErrorTest()
{
IObserver<Ship> obs = new BattleShipWoundedObserver(new Ship(1, 1, 1, 1, Player.player1));
Assert.ThrowsException<NotImplementedException>(() => obs.OnError(new Exception()));
}